22535243125 has 20 divisors (see below), whose sum is σ = 28921151644. Its totient is φ = 17540928000.

The previous prime is 22535243123. The next prime is 22535243141. The reversal of 22535243125 is 52134253522.

It can be written as a sum of positive squares in 10 ways, for example, as 5740638289 + 16794604836 = 75767^2 + 129594^2 .

It is not a de Polignac number, because 22535243125 - 2¹ = 22535243123 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22535243123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 464124 + ... + 510373.

Almost surely, 2^22535243125 is an apocalyptic number.

22535243125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22535243125 is a deficient number, since it is larger than the sum of its proper divisors (6385908519).

22535243125 is an frugal number, since it uses more digits than its factorization.

22535243125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 974554 (or 974539 counting only the distinct ones).

The product of its digits is 72000, while the sum is 34.

Adding to 22535243125 its reverse (52134253522), we get a palindrome (74669496647).

The spelling of 22535243125 in words is "twenty-two billion, five hundred thirty-five million, two hundred forty-three thousand, one hundred twenty-five".